/*	覆盖某些浏览器对	input	元素定义的字体	*/
input[type=submit] {
                     font-family:inherit; 
                }

input[type=text] {
                    border: 1px solid#ddd;
    }

input[name=year] {
                    width:50px; 
    }

.btn {
        font-size:12px;
        padding:3px 5px;
        text-decoration:none;
        cursor:pointer;
        background-color:   white;
        color:black;
        border:1px solid #555555;
        border-radius:5px;
    }
.btn:hover {
        text-decoration:    none;
    background-color:   black;
    color:  white;
    border:1px  solid black;
    }

.alert {
    position: relative;
    padding: 7px;
    margin: 7px 0;
    border:  1px solid transparent;
    color: #004085;
    background-color: #cce5ff;
    border-color: #b8daff;
    border-radius: 5px;

    }